Battery
The battery is a 12V DC source connected in a negative ground system. The battery case is sealed with 2 vent holes to release gases. The battery has 3 major functions
- Engine cranking power source
- Voltage stabilizer for the electrical system
- Temporary power source when electrical loads exceed the generator output current
Special Tools Illustration Tool Name Tool Number 73III Automotive Meter 105-R0057 or equivalent SABRE Premium Battery and Electrical System Tester 010-00736 or equivalent Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool
Scheme 14
Generator On-Vehicle Tests
| CAUTION | To prevent damage to the generator, do not make the jumper wire connections except as directed. |
| CAUTION | Do not allow any metal object to come in contact with the housing and the internal diode cooling fins with the key ON or OFF. A short circuit may result and burn out the diodes. |
Note. The battery posts and cable clamps must be clean and tight for accurate meter indications.
Note. Refer to the battery tester manual for complete directions for testing the charging system.
- Turn off all the lamps and electrical components.
- Place the transmission in NEUTRAL and apply the parking brake.
- Carry out the Load Test and No-Load Test according to the following component tests